Next to 'why is the sky blue' and 'where do babies come from,' 'why do leaves turn color in the fall' might be the most frequently asked question about nature. Next to 'why is the sky blue' and 'where ...

Every autumn we revel in the beauty of the fall colors. The mixture of red, purple, orange and yellow is the result of chemical processes that take place in the tree as the seasons change from summer ...

As the calendar turns to fall, the leaves that sprouted in the spring start changing colors from green to orange, purplish red, crimson, tan and orange. When will the leaves change in Delaware?